[Public-list] air in fuel lines

[Lonsdale Michael]

I have tightened all clamps on fuel line fittings going to the filters 
and pump.  I also installed a priming bulb in line before the main 
filter (racor) and can not eliminate air in the lines after running the 
engine for a few minutes.  When it shuts down I squeeze the priming 
bulb and it opens with some force as there is suction from the pump.  I 
have removed the line from the carb inlet barb and activated the pump 
and there is plenty of pressure.  I bypassed the main filter and still 
the problem exists.  Only thought is my fuel pump is not putting out 
enough pressure or a hole in the pickup tube.
Michael
Tsunami II